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MakeKit Micro:bit Bubble:Bit Manual

Soap bubble machine with rechargeable battery
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Bubble:bit
Micro:bit soap bubble machine
With rechargeable battery
From 11 years

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Summary of Contents for MakeKit Micro:bit Bubble:Bit

  • Page 1 Bubble:bit Micro:bit soap bubble machine With rechargeable battery From 11 years...

  • Page 2: About The Product

    Hover:bit is designed and manufactured in the old premises of Tanbergs Radiofabrikk at Skullerud in Oslo, Norway We welcome questions and feedback. Do not hesitate to contact us! Feel free to use our Facebook page as well www.makekit.no support@makekit.no makekit Henning and Steinar gomakekit (also twitter)
  • Page 3 Reset button Meet the micro:bit V1 Antenna USB Battery 3V 2,4 gHz Screen (5x5 pixels) Haircut Button A Button B Sensors Gold teeth Front Backside micro:bit is a small computer with prosessor, sensors, display and radio. It has connection pins for external components like LEDs, speakers or various sensors.
  • Page 4 Reset button The micro:bit V2 Antenna USB Battery 3V 2,4 gHz Screen (5x5 pixels) Microphone Touch button Speaker Button A Button B “V2” Sensors mark Gold teeth Front Back side The micro:bit V2 is very similar to V1 but with extra features, like: Microphone, speaker, touch button, faster processor and more memory.

  • Page 5: How It Works

    Battery Micro:Bit (“brain”) How it works: Bubble:bit is controlled by a micro:bit which runs a small program. When you press button B, the hand will dip the ring in soapy water and the propeller will start. A film of soap will form and when the air is blown through, soap bubbles will form!
  • Page 6 The black card has more connectors, but function for the Bubble Bit is the similar. The motors, LED and servo should be connected at the same connections for both cards. The green board needs no code exension, the black board needs the wonderkit code (download from makekit.no/docs)
  • Page 7 Green card Battery connector LED (P1) Servo motor (P2) Propeller motor (P0) Battery light The control board helps the micro:bit to connect to external things such as motors, and amplifies the current. It also ensures that the micro:bit gets the right amount of power from the battery. If the battery is running low, the power is turned off to protect the battery.
  • Page 8 Black card USB: Charging power Blue: Charging Battery plug Green: Finished Servo connector LED connector Propeller motor Not used on Bubble:bit Battery light...
  • Page 9 Charging (green card users) Deler: Usb-charger The green card comes with an orange charger. First plug battery and charger together. Then plug the charger into a USB socket. Orange light lights up until the charger is finished after 1-2 hours. LiPo-Battery Note! For safety reasons, lithium batteries must always be charged under supervision.
  • Page 10 Charging (black card) Parts: Black control board 1. The battery can be charge with or without the micro:bit connected. 2. Plug the big white battery plug into the grey connector 3. Connect the micro USB into the control board (not the microbit) 4.

  • Page 11: Recommended Tools

    Recommended tools Small philips Optional scissors to Pipe wrench Small plastic cup Bubble water or soap recipe screwdriver cut plastic cup...
  • Page 12 Soap bubble recipe • 1 liter of water • 0.5 dl dish soap • 0.2 dl glycerol (available at pharmacies or hobby stores) • You can also use sugar or syrup instead of glycerol • Mix well without creating too much foam. Feel free to experiment with different quantities.
  • Page 13 Parts Propeller Rechargeable Servo motor Servo horn Motor Control board, (CW) battery Charger Green or black Servo cable Micro:bit with usb cable...
  • Page 14 1 large 2 small rubber Rubber band Rubber ring rings 5x m3x12 5x spacers, 2x m3x12 10x nylon nuts Spacer for servo nylon screws aluminium screw, white Blue Arm with bubble Main plate Support pin blower Cup holder with wedge (Birch ply) (Birch ply) (Birch ply)
  • Page 15 Countersunk screws Tools: Medium philips screwdriver, wrench Parts: Nylon screws Nylon nuts m3 (Countersunk) Control board Insert the screws from top. Attatch the nuts on the backside of the board (where the “MakeKit” logo is).
  • Page 16 Spacers Tools: Parts: 5x m3x12 nylonskruer, blå Electrical conducting aluminium Insert five screws, pointing upwards. spacers Thread an aluminum ring onto each screw...
  • Page 17 Micro:bit Tools: Medium philips screwdriver, wrench Parts: 5x nuts Place the micro:bit over and screw on the five micro:bit nuts on top. Tighten the screws on the underside so that there is a tight and good contact. Do not use excessive force as this can damage the nuts.
  • Page 18 Prepare board and arm On the back of the plate, fasten the rubber band Mounting plate from one know, around the other and back again. Small Rubber Rubber ring Servo-horn Band With a small rubber ring, mount the servo horn to the arm.
  • Page 19 The LED The LED has two legs, one long and one slightly (Light Emitting Diode) shorter. The short leg should always go to ground, or black cable, while the long leg should go to plus, or red cable. Rule to remember: "It's positive to have long legs"...
  • Page 20 Mounting the LED (Light Emitting Diode) Insert the LED from the backside of the board. Servo cable On the front side, the LED will appear like this. Connect the servo cable like the picture shows. Make sure you connect all three pins under the micro:bit.

  • Page 21: Mount The Control Unit

    Mount the control unit Mounting
 Control unit plate 2x nuts Place the control unit in place and secure it with two nuts on the back. Start screwing with your fingers, tighten slightly with a socket wrench or nut tool...
  • Page 22 Mount the support Insert the support from the back, like the picture shows. Support Wedge Lock the pin with a wedge on the front side.
  • Page 23 Attatch the servo Spacer Servo motor On the front of the plate, attach the spacer as shown in the picture. Feed the servo cable through the opening and press the servo into place. Note that the servo is turned so that the wire 1 large
...
  • Page 24 Motor and propeller Rubber ring Motor Propeller Insert a rubber ring around the motor. Press the motor into place and lay up the cable as shown in the picture. The motor should be a good distance in so as not to get in the way of the arm later. Small rubber ring Press the propeller into place on the back.
  • Page 25 Mount the arm Press Arm with servo-horn Before attatching, position the arm in a rised position so that the bubble nozzle is in front of the propeller opening. Press the arm onto the servo head. ATTENTION! Do not force the servo to rotate. This can damage the gears inside the servo.
  • Page 26 Download the code You can find finished code at www.makekit.no/docs Go to bubble bit. Select the code that matches the color of the wonderkit circuit board (black or green color) It is easily downloaded by connecting the micro:bit to a PC with the micro-USB cable. A drive called micro:bit should appear.
  • Page 27 Battery To power the device, go to the front side top over At the back, mount the micro:bit and carefully battery into the rubber connect the plug like this band at the back, behind the micro:bit. LiPo-Battery Note: You must connect the battery even if you are connected to USB.
  • Page 28 Connections Battery Led-cable White must be on top Servo cable: Orange on top Connect all 3 pins correctly Motor-cable Connect the LED cable on the left side. White color must be up Connect the servo cable on the right side. Orange must be up. Connect the motor cable at the bottom left where it is marked “M0”...
  • Page 29 Bubble up! Fill a small glass or cut-down plastic cup with soapy water or soapy bubble water from a toy/hobby store. Connect the battery Press button B to test. Stop with A again. If the arm misses the airstream or cup, stop the machine, lift off the arm from the servo, adjust it, and press it back into place.
  • Page 30 About the code The variables topAngle and bottomAngle indicate where the arm should start and stop. The bottom angle must be such that the arm is able to dip the "soap ring" completely into the water. The top angle must be "low" enough for the hand to lift the ring in front of the air from the propeller.
  • Page 31 Basic operation (micro:bit V1 and V2)
  • Page 32 Sound and light activated code (micro:bit V2) Default values and measure Enable/disable light Press B to start bubbles, A to stop ambient light detection If loud sound, run bubbles for 1 sec Control the motors and servo. Set the proper topAngle and bottomAngle for the servo to dip the cup and raise up to fan level.
  • Page 33 Make a crazy bubble carousel! 1. Use the cup holder and wedge and mount the cup. 2. Hang the machine by a thread. 3. First put little or no liquid in the cup. 4. Start the machine. Now the machine will start spinning for a while. Gradually the speed slows down.
  • Page 34 We welcome questions and feedback. Do not hesitate to contact us! We normally respond within 1-2 working days. Suggestions for improvements are also welcome at any time. Henning Pedersen, Chief product developer www.makekit.no support@makekit.no makekit Få hjelp og diskuter: gomakekit (også twitter) www.facebook.com/groups/goairbit/...